461511622250 has 32 divisors (see below), whose sum is σ = 987371154432. Its totient is φ = 158232555600.

The previous prime is 461511622249. The next prime is 461511622283. The reversal of 461511622250 is 52226115164.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 461511622250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131858714 + ... + 131862213.

It is an arithmetic number, because the mean of its divisors is an integer number (30855348576).

Almost surely, 2^461511622250 is an apocalyptic number.

461511622250 is an abundant number, since it is smaller than the sum of its proper divisors (525859532182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461511622250 is a wasteful number, since it uses less digits than its factorization.

461511622250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263720951 (or 263720941 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 461511622250 in words is "four hundred sixty-one billion, five hundred eleven million, six hundred twenty-two thousand, two hundred fifty".